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Power Valve: 2.0L

  1. Disconnect the No. 14 vacuum hose from the power valve and connect a vacuum pump to valve. Apply vacuum and listen for a clicking noise from power valve. If a clicking sound is heard, go on to next step. If no sound is heard, replace carburetor and retest.
  2. Start engine and warm to operating temperature. Disconnect the No. 14 vacuum hose from power valve and connect a vacuum gauge to hose. Check that there is vacuum at idle. If there is no vacuum, check vacuum hose for cracks or clogging and replace hose if necessary.
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